Version 3.19.90
~~~~~~~~~~~~~~~
Released: 2016-02-15

This is an unstable release in the 3.19 development series, with the following
improvements:
 * Add end-user application review functionality
 * Add support for upgrading the OS from one release to another
 * Add support for xdg-app and Limba bundles
 * Add tags to applications, and explain them in the details page
 * Update the list of featured applications on the front page

The following bugs are also fixed:
 * Add a missing tag to the software center metadata file
 * PackageKit support is now optional
 * Temporarily remove the remove button in the sources dialog
 * Use versioned user cache directories to pick up new screenshots

This release also updates translations.

Version 3.19.4
~~~~~~~~~~~~~~
Released: 2016-01-15

This is an unstable release in the 3.19 development series, with the following
improvements:
 * Add a link to Wikipedia to explain proprietary and public domain software
 * Allow administrators to override the default popular applications
 * Improve the interface for device firmware updates and some can be done live
 * Make sure Characters and Disks show up in Utilities
 * Show 3rd party applications in the search results
 * Show a nicer installation dialog when installing local files
 * Speed up the application first-start and also speed up switching pages
 * Try to show if an application is free software

The following bugs are also fixed:
 * Do not crash on refresh if the fwupd daemon is not available
 * Fix installing web applications
 * Rework several windows to fit better on small screens
 * Use the correct user agent string when downloading firmware

This release also updates translations.